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<form method="post" action="check.jsp">
<input type="text" name="id"/>
<input type="password" name="password"/>
<input type="submit" name=¡°Ìá½»"/>
</form>
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HTML code:
<script type="text/javascript">
function check(){
if(document.form1.id.value==""){
alert("ID²»ÄÜΪ¿Õ£¡");
return false;
}
if(document.form1.password.value==""){
alert("ÃÜÂë²»ÄÜΪ¿Õ£¡");
return false;
}
return true;
}
</script>
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<input type="text" name="id"/>
<input type="password" name="
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